![The Current from CBC Radio (Highlights) show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/034/254/small/the-current-from-cbc-radio-highlights.jpg)
Summary: As light as a kiss, but tough as nails: the Monarch butterfly. They travel thousands of kilometres on their annual migrations. This year they've flown further North than ever before. Biologists ask what the insects are trying to tell us by summering in Edmonton.